Observation information
- date-obs: 2025-01-05
- time-obs: 10:57:05.250900000
- date-end: 2025-01-05
- time-end: 12:55:06.229900000
- obs_id: C09_003T01_9000006442
- exposure: 972.020493209
- sourceid: Cas A
- observer: chandrasunil
- ra_pnt: 350.85
- dec_pnt: 58.815
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1C09_003T01_9000006442_50337cztM0_level2.fits
| modeM0/AS1C09_003T01_9000006442_50337cztM0_level2_quad_clean.evt
|
Size (bytes) | 955,535,040 | 78,454,080 |
Size | 911.3 MB
| 74.8 MB
|
Events in quadrant A | 5,163,322 | 635,585 |
Events in quadrant B | 4,685,603 | 689,358 |
Events in quadrant C | 8,926,615 | 480,824 |
Events in quadrant D | 16,056,694 | 84,299 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 20013 | 7 |
B | 0 | 18666 | 3 |
C | 0 | 31356 | 4 |
D | 0 | 52486 | 4 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 142 | 0 |
B | 0 | 142 | 0 |
C | 0 | 142 | 0 |
D | 0 | 142 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6954 | 352 | 5.061835% |
B | 6957 | 344 | 4.944660% |
C | 6956 | 1827 | 26.265095% |
D | 6955 | 6148 | 88.396837% |
Noise dominated fraction
Noise dominated data is calculated using 1-second bins in cleaned event files. If a bin has >2000 counts, and if more than 50% of those come from <1% of pixels, then it is considered to be noise-dominated and hence unusable.
Quadrant |
# 1 sec bins |
Bins with >0 counts |
Bins with >2000 counts |
High rate bins dominated by noise |
Noise dominated (total time) |
Noise dominated (detector-on time) |
Marked lightcurve |
A | 7081 | 6960 | 222 | 222 | 3.14% | 3.19% |  |
B | 7082 | 6961 | 183 | 183 | 2.58% | 2.63% |  |
C | 7081 | 6958 | 1640 | 1640 | 23.16% | 23.57% |  |
D | 7080 | 6956 | 5554 | 5554 | 78.45% | 79.84% |  |
Top noisy pixels
Top three noisy pixels from each quadrant. If the there are fewer than three noisy pixels in the level2.evt file, extra rows are filled as -1
Pixel properties |
Quadrant properties |
Quadrant |
DetID |
PixID |
Counts |
Sigma |
Mean |
Median |
Sigma |
A | 8 | 248 | 626745 | 3397.37 | 746 | 727 | 184.3 |
A | 3 | 231 | 267356 | 1446.98 | 746 | 727 | 184.3 |
A | 4 | 3 | 197287 | 1066.72 | 746 | 727 | 184.3 |
B | 1 | 238 | 528634 | 3361.68 | 742 | 717 | 157.0 |
B | 10 | 44 | 219662 | 1394.2 | 742 | 717 | 157.0 |
B | 12 | 0 | 109220 | 690.93 | 742 | 717 | 157.0 |
C | 15 | 127 | 2117566 | 11418.59 | 667 | 660 | 185.4 |
C | 0 | 208 | 1260331 | 6794.67 | 667 | 660 | 185.4 |
C | 15 | 196 | 1155697 | 6230.27 | 667 | 660 | 185.4 |
D | 7 | 61 | 8727647 | 102252.28 | 292 | 280 | 85.4 |
D | 11 | 245 | 2904104 | 34022.02 | 292 | 280 | 85.4 |
D | 15 | 108 | 615555 | 7208.73 | 292 | 280 | 85.4 |
Detector plane histogram (DPH)
Histogram calculated using DETX and DETY for each event in the final _common_clean file
Quadrant A |
 |
 |
Quadrant B |
Quadrant D |
 |
 |
Quadrant C |
Count rate plots and images
Plot type |
Count rate plots |
Images |
Comparison with Poisson distribution
Blue bars denote a histogram of data divided into 1 sec bins.
Red curve is a Poisson curve with rate = median count rate of data. |
 |
 |
Quadrant-wise count rates
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant A
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant B
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant C
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant D
Data is divided into 100 sec bins |
 |
 |
Housekeeping plots
Parameter |
Plot |
CZT HV Monitor |  |
D_VDD |  |
Temperature 1 |  |
Veto HV Monitor |  |
Veto LLD |  |
Alpha Counter |  |
_CPM_Rate |  |
CZT Counter |  |
+2.5 Volts monitor |  |
+5 Volts monitor |  |
_ROLL_ROT |  |
_Roll_DEC |  |
_Roll_RA |  |
Veto Counter |  |